diff --git a/.gitignore b/.gitignore
index b8b6cd4..56946c3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,4 @@
 figs/*.svg
-figs/*.pdf
-mat/
-figures/
-ltximg/
-slprj/
 *.autosave
 *.original
 old/
diff --git a/figs/control_measure_rotating_2dof.pdf b/figs/control_measure_rotating_2dof.pdf
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diff --git a/figs/coupling.pdf b/figs/coupling.pdf
new file mode 100644
index 0000000..9a0f190
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diff --git a/mat/conf_simscape.mat b/mat/conf_simscape.mat
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